Find patient medical information for Acyclovir (Zovirax) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Acyclovir is an antiviral drug. It slows the growth and spread of the herpes virus. It will not cure herpes, but it can lessen the symptoms of the infection. Zovirax treats viral infections caused by genital herpes, cold sores, shingles, and chicken pox. Learn about side effects, interactions and indications. Medscape - Herpes simplex, zoster-specific dosing for Zovirax (acyclovir), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Zovirax (Acyclovir) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Learn about acyclovir usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Acyclovir (Zovirax) capsules or tablets treat viral infections. They don’t treat colds, the flu or bacterial infections. Zovirax Suspension (Acyclovir ) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Aciclovir (Zovirax) Aciclovir is an antiviral medicine used to treat certain infections. Most types are only available with a prescription, but you can buy some types from shops and pharmacies. Aciclovir, also known as acyclovir, [4] is an antiviral medication. [5] It is primarily used for the treatment of herpes simplex virus infections, chickenpox, and shingles. [6] Other uses include the prevention of cytomegalovirus infections following transplant, and severe complications of Epstein–Barr virus infection. [6][7] It can be taken by mouth, applied as a cream, or injected. [6.